Grill for a motor vehicle



FIG. 1 is a perspective view of a grill for a motor vehicle of my new design;

FIG. 2 is a front view thereof:

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a left-side view thereof; and,

FIG. 7 is a right-side view thereof. 

The ornamental design for a grill for a motor vehicle, as shown and described. 